As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, THE RT ENGINE PROPELLER WENT INTO A FULL FEATHER. ENGINE SHUTDOWN AUTOMATICALLY AND ONE ATTEMPT TO RESTART WAS MADE WITH NO SUCCESS. A LANDING WAS EXECUTED WITHOUT INCIDENT. SUBSEQUENT GROUND INSPECTION REVEALED AN OIL LEAKAGE AROUND PROPELLER BLADES. PROPELLER AND PROPELLER GOVERNOR WERE REMOVED AND SENT OUT FOR INSPECTION. ON INITIAL INSPECTION AFTER REMOVAL BY IA MECHANIC, GOVERNOR WAS FOUND TO HAVE INTERNAL FAILURE AND DETAILS TO BE DETERMINED AFTER REPAIR FACILITY INSPECTION.